if you have a small sink or short faucet

Platinum ORP electrode included - Gel-filled

as this will shorten sensor life and reduce accuracy

5-year limited warranty

The Milwaukee PRO EC monitor is preferred by people looking to dial in their testing program when they have an ongoing need to maintain levels

Milwaukee MW306 MAX EC/TDS/Salinity/Temp Data Logger | IP67 Waterproof Meter redox probe if you have a smallMilwaukee MW306 MAX Waterproof EC TDS Salinity Temp Data Logger: Professional 4 in 1 Conductivity Testing The Milwaukee MW306 MAX is a professional grade 4 in 1 conductivity meter that measures electrical conductivity (EC), total dissolved solids (TDS), salinity (NaCl), and temperature with exceptional 1% accuracy. Featuring IP67 waterproof construction and advanced data logging capabilities, this meter is the professional choice for hydroponics,